Cold Rolled Steel Sheets Directly Wholesale from China

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China main port
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20 m.t.
Supply Capability:
1000 m.t./month

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Grade: 1000 Series,2000 Series,7000 Series,6000 Series,5000 Series,4000 Series,3000 Series Surface Treatment: Powder Coating,Sand Blasted,Holographic Impression,Composited,Printed,Brushed,Enameled Wire,Oxidized,Color Coated,Mill Finish,Polished,Anodized,Embossed,Coated Shape: Round,T-Profile,Square,Angle,Hexagonal,Oval,Rectangular,Flat
Temper: Hard,Half Hard,Soft,T351-T851,T351-T651,O-H112,T3-T8 Application: Insulation Material,Liner & Wad,Pharmaceutical,Kitchen Use,Food,Glass Wall,Transportation Tools,Heat Sink,Door & Window,Decorations,Label & Tag,Seal & Closure

Product Description:

Product Description:


General Information of Cold Rolled Steel Sheet


The raw material of cold rolled steel sheet is high quality hot rolled product, and after pickling, continuous rolling, degreasing, annealing, skin pass, slitting and cut to length line etc. Along with it many kinds of new technology and new process of global cold rolling production have been applied. Therefore the quality of the goods could be guaranteed. The finished product has a variety of excellent capabilities, such as processing capability and smooth, flat surface. It’s widely used in outdoor and interior decoration, furnishing manufacturing, home appliance, automobile etc.



Specifications of Cold Rolled Steel Sheet


1) Grade: SPCC, SPCD, SPCE, DC01-06, St12, Super deep drawing


2) Standard: JIS G3141-1996, EN 10131-2006, DIN EN 1002


3) Thickness: 0.20mm - 3.0mm


4) Width: 600/1000/1250/1500 (mm) or per customer's request



Package of Cold Rolled Steel Sheet


Strapped with min three strapping strips, covered by anti-water paper and plastic film, fixed on the iron or wooden pallets by strapping strips and covered by plastic bag to prevent damage from transportation.



Applications of Cold Rolled Steel Sheet


1) For the further producing of hot dip galvanized steel products


2) Cold rolled Steel: Auto manufacture, Oil drum, Transformer's tank panel, Furniture etc.


Cold Rolled Steel Sheets Directly Wholesale from China

Cold Rolled Steel Sheets Directly Wholesale from China




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Q:how much should the current be adjusted when I use pulse aluminum welding machine to weld 0.7 aluminum sheet?
60-70A current is enough for 0.7 aluminum sheet,the key poiny is that the thin sheet should be bonded with iron sheet or other assistant cooling device when you weld it, or it will be burned through.
Q:Which kind of glue can bond hard shell plastic and iron sheet or aluminum sheet?
you can use 520 or AB glue, and I think 520 is better.
Q:is aluminum foil spacer poisonous after heating?
It’s a kind of thermoprint material made by pressing the aluminum into sheet, and owing to its similar thermoprint effect to silver foil, so it’s called fake silver foil. Aluminum has soft texture, good ductility, and is silver white, if we use sodium silicate to paste the sheet after pressing on the offset paper, making aluminum foil, the foil can be printed. But aluminum foil is easy to be oxidized and darkens, rubbing and touching will make it darken, so it doesn’t suit for the thermoprint of books’ cover that needs to be preserved for a long time.
Q:What's the standard thickness of aluminum sheet?
the thickness of tobacco aluminum foil and red wine bottle cap is designed according to customers demands and manufacturer has no stated specification.
Q:why can aluminum sheet after oxide film removal react quicker with hydrochloric acid?
the reason is very simple, the original aluminum sheet has a layer of dense oxide film AI2O3, which has prevented the inner aluminum sheet from reacting with hydrochloric acid. but after oxide film removal, aluminum sheet will directly contact hydrochloric acid, generating H2.
Q:why does the bubble apear a few minutes later after putting aluminum sheet into dilute sulphuric acid?
Because there is oxide on the surface of aluminum, the reaction will be quicker after polishing the oxide with abrasive paper.
Q:why intact aluminum sheet stop quicker than pectinate one in the magnetic field?
while swinging in the magnetic field, intact aluminum sheets will formulate inner eddy current,that is the annular induced current.eddy current will transform the mechanical energy into heat energy, which makes the aluminum sheet stop quickly.but pectinate aluminum sheet can't formulate intact eddy current, so intact aluminum sheet stop quicker than pectinate one.
Q:As for cast aluminum sheet or wrought one, which one has faster heat conduction?
1,duralumin: it's the alloy of aluminum, copper, magnesium, manganese and other metals. it's suitable for compacting by rolling, and it has a higher strength and hardness than common aluminum products. 2, aluminum: it contains many inpurities, is crisp and easy to be smashed.cast aluminum usually is secondary aluminum, and it is produced by remelting the collected old aluminum pots and spoons.3, wrought aluminum: it contains 98% aluminum and 2% or more inpurities, and is comparatively pure aluminum. its soft priority makes it suitable for being pressed into various shapes, aluminum pots,aluminum lunch box,aluminum sheets,aluminum wires,aluminum pipes are all made by wrought will know their defferences from their definition.
Q:what will happen when aluminum sheet is put into copper chloride solution?
the chemical equation of the reaction, 2Al+3CuCl2=2AlCl3+3Cu, the phenomena when aluminum sheet is put into copper chloride solution: there is red solid generating on the surface of aluminum sheet.
Q:has aluminum sheet reacted with concentrated sulfuric acid?
it can be regarded as no reaction, concentrated sulfuric acid will make aluminum's surface inactivation,and produce a layer of dense aluminium oxide film which will prevent further reaction.

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